Home / 6,518.13-8,992.91-3,685.23

Finding the Fourth Proportional to 6,518.13, 8,992.91 and 3,685.23

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Solution

The fourth proportional to 6,518.13, 8,992.91 and 3,685.23 is: 5,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.13 : 8,992.91 = 3,685.23 : x
  2. Step 2: Convert to fraction form
    6,518.13/8,992.91 = 3,685.23/x
  3. Step 3: Cross multiply
    6,518.13x = 8,992.91 × 3,685.23
  4. Step 4: Simplify right side
    6,518.13x = 33,140,923.29
  5. Step 5: Solve for x
    x = 33,140,923.29/6,518.13
  6. Step 6: Final answer
    x = 5,084.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.